From 5cc75d234feff2fb5519757481c46aa05e3a166d Mon Sep 17 00:00:00 2001
From: modehua <mo1027728827@qq.com>
Date: Fri, 17 Nov 2023 23:29:27 -0800
Subject: [PATCH] =?UTF-8?q?=E5=BE=AE=E8=B0=83?=
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---
 zynq_7010_code/StopWatch.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 zynq_7010_code/StopWatch.h

diff --git a/zynq_7010_code/StopWatch.h b/zynq_7010_code/StopWatch.h
new file mode 100644
index 0000000..cd665a8
--- /dev/null
+++ b/zynq_7010_code/StopWatch.h
@@ -0,0 +1,34 @@
+#pragma once
+#include <chrono>
+
+class StopWatch
+{
+public:
+	StopWatch() {
+		_start = std::chrono::steady_clock::now();
+	}
+
+	void reset() {
+		_start = std::chrono::steady_clock::now();
+	}
+
+	double elapsed_s() {
+		return std::chrono::duration<double>(std::chrono::steady_clock::now() - _start).count();
+	}
+
+	double elapsed_ms() {
+		return std::chrono::duration<double, std::milli>(std::chrono::steady_clock::now() - _start).count();
+	}
+
+	double elapsed_us() {
+		return std::chrono::duration<double, std::micro>(std::chrono::steady_clock::now() - _start).count();
+	}
+
+	double elapsed_ns() {
+		return std::chrono::duration<double, std::nano>(std::chrono::steady_clock::now() - _start).count();
+	}
+
+private:
+	std::chrono::steady_clock::time_point _start;
+};
+